Timothy J. Sempowski, DO

Medicare activity in 2024

Official CMS public-use data for Timothy J. Sempowski, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope (00918)15 services
2. Anesthesia for other procedure on upper abdomen (00790)14 services
3. Anesthesia for other procedure on urinary system through urethra (00910)11 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis55%
• Diabetes43%
• Chronic kidney disease39%
• Ischemic heart disease38%

Hospitals where Timothy J. Sempowski works

Medicare's Facility Affiliation Data lists Timothy J. Sempowski at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• WellSpan Chambersburg HospitalChambersburg, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390151

Practice locations

Addresses where Timothy J. Sempowski is enrolled with Medicare (CMS data updated October 2, 2026).

• 112 N 7th StChambersburg, PA 17201
• 112 N 7th St, Wellspan NeonatologyChambersburg, PA 17201 (717) 851‑2613
• 25 Monument RdYork, PA 17403

Group practices

Medicare enrollment lists Timothy J. Sempowski as a member of this group (CMS data updated October 2, 2026).

• WellSpan Medical Group2,480 clinicians in the group

Specialties

• Anesthesiologyprimary
• Hospitalistalso
• Interventional Pain Managementalso

Find other Anesthesiology doctors in Pennsylvania →

Other anesthesiologists in Chambersburg

Clinicians with the same Medicare primary specialty in Chambersburg, PA — not a recommendation.

• Shazia H. Choudry, MD
• Ewa M. Malinowski, MD
• Andrew Boryan, MD
• Raam Venkatesh, MD
• Shauna W. Bomer, MD
• Ali Yousufuddin, MD
• Eric Noll, DO
• Joseph A. Leckie, MD

All anesthesiologists in Chambersburg →

Other clinicians in WellSpan Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Kavitha Ramaswamy, MD
• Tami Shea, AU
• Ashok Chaudhary, MD
• Katherine C. Boyle, NP
• Arul Vigg, MD
• Joseph Molenda, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians